Children of richer, better-educated parents have bigger brains and more cognitive skills than their less-fortunate peers, but social help and teaching can help to overcome the differences, a study published on Monday said.

An estimated 1.66 million people in the United States will develop cancer in 2015. Nearly 589,500 will die from cancer this year.

As 12-year-old Lawrence Chung ran around the Huntington Middle School track field on Friday, he read different signs that presented facts like these, provided by the American Cancer Society. Chung, along with about 150 people, ran a mini Relay for Life.